Here is a list of all documented variables with links to the class documentation for each member:

• animationAttachmentInstance : InstancedAnimationAttachmentBehaviour
• attachementData : InstancedAnimationAttachmentBehaviour
• boneName : InstancedAnimationBoneSyncBehaviour, InstancedAttachmentData
• groupID : InstancedAttachmentData
• layer : InstancedAttachmentData
• materials : InstancedAttachmentData
• maxRenderLOD : InstancedAttachmentData
• mesh : InstancedAttachmentData
• positionOffset : InstancedAttachmentData
• receiveShadow : InstancedAttachmentData
• rotationOffsetReal : InstancedAttachmentData
• scale : InstancedAttachmentData
• shadowMode : InstancedAttachmentData
• transformToSync : InstancedAnimationBoneSyncBehaviour